If you are searching for a question related Reduce the size of the OST file in Outlook without damaging any data. So use the eSoftTools OST ot PST Converter Software. First of all export OST to PST then after using the split PST file option to easily reduce a large PST file into multiple small-size PST files. This software is capable of recovering missing and accidentally deleted OST files without any errors.
Know more:- Reduce the size of the OST file in Outlook
